http://www.guampdn.com/VideoNetwork/1622246648001/Britain-Shows-Off-Fire-Power-Ahead-of-Olympic-Gameshttp://cdn.newslook.com/cf/cf4c0cf603cd7ea13122f448b0f17b8e/mp4_low/cf4c0cf603cd7ea13122f448b0f17b8e-mp4_low.mp4http://www.guampdn.com/VideoNetwork/1622246648001/Britain-Shows-Off-Fire-Power-Ahead-of-Olympic-Gameshttp://cdn.newslook.com/cf/cf4c0cf603cd7ea13122f448b0f17b8e/images/frame_0004.jpgBritain Shows Off Fire Power Ahead of Olympic GamesBritain is to rehearse its security measures for the Olympic Games this week in a military exercise involving warships, fast jets, helicopters and dummy missiles.7olympicinternationalsportsEuropelondon olympicsNewsLondonUnited Kingdomnewslookolympic sportsStuart AthaWorldbritain00:46